In a chemical reaction, 24 grams of
carbon reacted with exactly 64 grams
of oxygen. The product of this reaction
was carbon dioxide. How many grams
of carbon dioxide were formed?
Answer: there must be 64 g + 24 g = 88 g of carbon dioxide present after the reaction.
Explanation: Since the total mass of substances used up in the reaction must be equal to the amount of product formed, according to the conservation of mass law,
